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Finding the Fourth Proportional to 404,345.70, 606,907.35 and 204,891.30

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Solution

The fourth proportional to 404,345.70, 606,907.35 and 204,891.30 is: 307,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,345.70 : 606,907.35 = 204,891.30 : x
  2. Step 2: Convert to fraction form
    404,345.70/606,907.35 = 204,891.30/x
  3. Step 3: Cross multiply
    404,345.70x = 606,907.35 × 204,891.30
  4. Step 4: Simplify right side
    404,345.70x = 124,350,035,921.06
  5. Step 5: Solve for x
    x = 124,350,035,921.06/404,345.70
  6. Step 6: Final answer
    x = 307,533.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.